<template>
    <!-- 页面的模板 -->
    <div class="login-page">
        <div class="orange"> </div>
        <div class="blue"></div>
        <div class="blue small"></div>
        <div class="login-box" v-loading="loading">
            <div class="logo-box">
                <div class="right">
                    <div class="sys-name">比特OJ后台管理</div>
                    <div class="sys-sub-name">帮助100万学生就业</div>
                </div>
            </div>
            <div class="form-box">
                <div class="form-item">
                    <img src="@/assets/images/shouji.png">
                    <el-input v-model="form.userAccount" type="text" placeholder="请输入账号" />
                    <span class="error-tip" v-if="showErrorTip && !form.userAccount">账号不能为空</span>
                </div>
                <div class="form-item">
                    <img src="@/assets/images/yanzhengma.png">
                    <el-input v-model="form.password" type="password" show-password placeholder="请输入密码" />
                    <span class="error-tip" v-if="showErrorTip && !form.password">密码不能为空</span>
                </div>
                <div class="submit-box" @click="loginFun">
                    登录
                </div>
            </div>
        </div>
    </div>
</template>

<script setup>

import {setToken} from '@/utitls/cookie'
import { reactive, ref } from 'vue'
import { useRouter } from 'vue-router'
import { loginServeice } from '@/apis/login'
import { setToken } from '@/utils/auth'

// 获取路由对象
let router = useRouter()
let showErrorTip = ref(false)
// 加载圈圈
let loading = ref(false)
// 密码登录表单
let form = ref({})
form.value = {
    userAccount: '',
    password: ''
}
// 登录

async function loginFun(){
  const loginResult = await loginServeice(userAccount.value,password.value);
  console.log("loginResult:",loginResult);
  if(loginResult.data.code === 1000){   // 优化点1:响应数据的解析     优化点2：响应结果的正确性判断
    // 登录成功
    console.log("登录成功");
    router.push("/oj/system")
    setToken(loginResult.data)
  }else{
    // 登录失败
    console.log("登录失败");
    ElMessage.error(loginResult.data.msg)
  }
}

const loginFun = async () => {
    // 展示错误信息
    showErrorTip.value = true
    // 判断是否正确填写表单正确则调用登录接口 
    let { userAccount, password } = form.value
    if (userAccount && password) {
        // 密码登录
        // 接口调用前
        try {
            loading.value = true
            const loginRef = await loginServeice(userAccount, password)
            if (loginRef.data.access_token) {
                setToken(loginRef.data.access_token)
                router.push('/oj/cuser')
            } else {
                ElMessage({ message: '登录失败,未获取到token', type: "error" });
            }
            loading.value = false
        } catch {
            loading.value = false
        }
    }
}

// 页面的逻辑
</script>

<style lang="scss" scoped>
.login-page {
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;

  .login-box {
    overflow: hidden;

    .logo-box {
      display: flex;
      align-items: center;
      margin-bottom: 30px;

      img {
        width: 68px;
        height: 68px;
        margin-right: 16px;
      }

      .sys-name {
        height: 33px;
        font-family: PingFangSC, PingFang SC;
        font-weight: 600;
        font-size: 24px;
        color: #222222;
        line-height: 33px;
        margin-bottom: 13px;
      }

      .sys-sub-name {
        height: 22px;
        font-family: PingFangSC, PingFang SC;
        font-weight: 400;
        font-size: 16px;
        color: #222222;
        line-height: 22px;
      }
    }

    :deep(.form-box) {
      .submit-box {
        margin-top: 90px;
        width: 456px;
        height: 48px;
        background: #32C5FF;
        border-radius: 8px;
        cursor: pointer;
        display: flex;
        justify-content: center;
        align-items: center;
        font-family: PingFangSC, PingFang SC;
        font-weight: 600;
        font-size: 16px;
        color: #FFFFFF;
        letter-spacing: 1px;
      }

      .form-item {
        display: flex;
        align-items: center;
        width: 456px;
        height: 48px;
        background: #F8F8F8;
        border-radius: 8px;
        margin-bottom: 30px;
        position: relative;

        .code-btn-box {
          position: absolute;
          right: 0;
          width: 151px;
          height: 48px;
          background: #32C5FF;
          border-radius: 8px;
          top: 0;
          display: flex;
          align-items: center;
          justify-content: center;
          cursor: pointer;

          span {
            font-family: PingFangSC, PingFang SC;
            font-weight: 400;
            font-size: 16px;
            color: #FFFFFF;
          }
        }

        .error-tip {
          position: absolute;
          width: 140px;
          text-align: right;
          padding-right: 12px;
          height: 20px;
          font-family: PingFangSC, PingFang SC;
          font-weight: 400;
          font-size: 14px;
          color: #FD4C40;
          line-height: 20px;
          right: 0;

          &.bottom {
            right: 157px;
          }
        }

        .el-input {
          width: 380px;
          font-family: PingFangSC, PingFang SC;
          font-weight: 400;
          font-size: 16px;
          color: #222222;
        }

        .el-input__wrapper {
          border: none;
          box-shadow: none;
          background: transparent;
          width: 230px;
          padding-left: 0;
        }

        img {
          width: 24px;
          height: 24px;
          margin: 0 18px;
        }
      }
    }

    width:456px;
    height:404px;
    background: #FFFFFF;
    box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    opacity: 0.9;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    padding: 0 72px;
    padding-top: 50px;
  }

  &::after {
    position: absolute;
    top: 0;
    left: 0;
    height: 100vh;
    bottom: 0;
    right: 0;
    background: rgba(255, 255, 255, .8);
    z-index: 1;
    content: '';
  }

  .orange {
    background: #F0714A;
    width: 498px;
    height: 498px;
    border-radius: 50%;
    background: #F0714A;
    opacity: 0.67;
    filter: blur(50px);
    left: 14.2%;
    top: 41%;
    position: absolute;
  }

  .blue {
    width: 334px;
    height: 334px;
    background: #32C5FF;
    opacity: 0.67;
    filter: blur(50px);
    left: 14.2%;
    top: 42%;
    position: absolute;
    top: 16.3%;
    left: 80.7%;

    &.small {
      width: 186px;
      height: 186px;
      top: 8.2%;
      left: 58.2%;
    }
  }
}
</style>